{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["product producer", "message topic", "member collection", "component whole"], "input": "in this comprehensive guide , over 850 roses are described , illustrated , and arranged by group ."}
{"product producer": [], "message topic": [{"subject": "guide", "object": "roses"}], "member collection": [], "component whole": []}